Issues

• Removing a track’s src: stale URL and inconsistent clearing/error behavior

  interoptopic: media
  whatwg/html#13246 · Filter by author domenic opened on Nov 12, 2026

• Make the color space and tone mapping of bitmaps explicit

  topic: canvas
  whatwg/html#13235 · Filter by author annevk opened on Nov 11, 2026

• toDataURL/toBlob: Encoding of HDR and linear spaces

  whatwg/html#13230 · Filter by author ccameron-chromium opened on Nov 10, 2026

• Printing a canvas: bitmap or drawing commands?

  topic: canvas
  whatwg/html#13223 · Filter by author karlcow opened on Nov 9, 2026
  2

• extending blocking="render" to allow for a manual control of page holding from the script

  addition/proposalneeds implementer interest
  whatwg/html#13221 · Filter by author kanashimia opened on Nov 9, 2026

• <a download>: browsers navigate instead of downloading when the href, or a redirect, is cross-origin

  whatwg/html#13220 · Filter by author theIDinside opened on Nov 9, 2026
  1

• Base URL changes re-report errors for invalid speculation rules

  whatwg/html#13208 · Filter by author zcorpan opened on Nov 6, 2026

• Base URL changes don't update a speculationrules script's result

  whatwg/html#13207 · Filter by author zcorpan opened on Nov 6, 2026

• "Respond to base URL changes" uses undefined variable element

  whatwg/html#13206 · Filter by author zcorpan opened on Nov 6, 2026

• Streaming HTML hangs if the target's original document is destroyed while a parser-blocking script is pending

  topic: parser
  whatwg/html#13205 · Filter by author zcorpan opened on Nov 6, 2026
  2

  

• Allow MutationObserver to batch delivery until end of stream

  addition/proposalagenda+topic: parser
  whatwg/html#13198 · Filter by author noamr opened on Nov 5, 2026

• Declarative fragment includes with <template for="..." src="...">

  addition/proposalstage: 1topic: parser
  whatwg/html#13195 · Filter by author noamr opened on Nov 4, 2026

• [image-map] Clarify <map>/<area> coordinate origin

  interoptopic: imgtopic: rendering
  whatwg/html#13194 · Filter by author sb3nder opened on Nov 4, 2026
  3

• Proposal for formDisabledCallback, formAssociatedCallback, and moveBefore() + FACE interaction

  interoptopic: custom elementstopic: forms
  whatwg/html#13185 · Filter by author domenic opened on Nov 4, 2026
  6

• change event is not defined for textarea

  whatwg/html#13179 · Filter by author myakura opened on Nov 3, 2026
  1

• Proposal: Image Preview for HTML Images (preview attribute)

  addition/proposalagenda+needs implementer interest
  whatwg/html#13176 · Filter by author ogerchikov opened on Nov 2, 2026
  2

• Consider making <area> always display: none

  topic: imgtopic: rendering
  whatwg/html#13175 · Filter by author emilio opened on Nov 2, 2026
  3

• An intercepted navigation.navigate() cancels an ongoing cross-document navigation, which breaks links while React's transition indicator runs [zcorpan/navigation-api-qa]

  topic: navigation API
  whatwg/html#13173 · Filter by author zcorpan opened on Nov 2, 2026
  1

• navigation.activation can have a null entry when entries and events are disabled [zcorpan/navigation-api-qa]

  topic: navigation API
  whatwg/html#13172 · Filter by author zcorpan opened on Nov 2, 2026
  1

• Permanent anchors for Server-Sent Events cited by an IETF Internet-Draft

  anchor permanence
  whatwg/html#13168 · Filter by author CxRes opened on Oct 30, 2026

• Navigation API traversal: reject the finished promise when the traversable's navigate event is canceled (canceled-by-navigate)

  topic: navigation API
  whatwg/html#13166 · Filter by author jnjaeschke opened on Oct 30, 2026

• NavigationHistoryEntry.url censoring uses the wrong referrer policy

  topic: navigation API
  whatwg/html#13164 · Filter by author theIDinside opened on Oct 30, 2026

• Negative values and keywords for rowspan and colspan

  addition/proposalneeds implementer interesttopic: table
  whatwg/html#13162 · Filter by author Crissov opened on Oct 30, 2026
  2

• Should focused elements which become disabled lose focus?

  a11y-trackeraccessibilitytopic: focus
  whatwg/html#13159 · Filter by author josepharhar opened on Oct 29, 2026
  7

• Proposal: extend window.open() to split tabs, and add declarative equivalents for window.open() generally

  addition/proposalagenda+topic: frames/navigables/browsing contexts
  whatwg/html#13153 · Filter by author mfreed7 opened on Oct 27, 2026
  7